On Tue, Mar 01, 2022 at 06:23:44PM -0600, sunnycemet...@gmail.com wrote:
After upgrading from 1.10.1 to 2.0.2, mutt began forcefully lower-casing "From:" headers!

I believe this behavior is from libidn2.

Does anyone know how to prevent this?

You could try unsetting $idn_encode, if you don't deal with international domains; or alternatively try compiling with libidn instead.

--
Kevin J. McCarthy
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